reproduce:
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # apt-get install sparse
        # sparse version: v0.6.4-61-g09411a7a-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git/commit/?id=ada01bd9fd36129c6e15a17aec5b20844ee1bad7
        git remote add mripard https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git
        git fetch --no-tags mripard dma-buf/ecc-heap
        git checkout ada01bd9fd36129c6e15a17aec5b20844ee1bad7
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm SHELL=/bin/bash drivers/dma-buf/heaps/ drivers/video/backlight/